It has been four years since Lieutenant Nathan hale was left dead on the battlefield against the invading Chimeran race. It's august 1957, and Joseph Capelli has been dishonorably discharged from the u.S. army for the killing of hale. having given up on the seemingly hopeless fight, Capelli has sought refuge with his wife and young son underground in haven, Oklahoma. With the planet completely occupied by the Chimera, this appears to be the only option for survival — until Capelli is found by Dr. Fyodor Malikov. as the climate of the planet continues to crumble, Dr. Malikov explains his plan to destroy the Chimeran force. To save Mankind and his family, Sentinel Joseph Capelli Must embark on a harrowing journey across the devastated wasteland that used to be the united States, and battle in a heroic fight for survival.